Signed-off-by: Barret Rhoden <brho@xxxxxxxxxx>
---
t/t8003-blame-corner-cases.sh | 36 +++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/t/t8003-blame-corner-cases.sh b/t/t8003-blame-corner-cases.sh
index c92a47b6d5b1..1c5fb1d1f8c9 100755
--- a/t/t8003-blame-corner-cases.sh
+++ b/t/t8003-blame-corner-cases.sh
@@ -275,4 +275,40 @@ test_expect_success 'blame file with CRLF core.autocrlf=true' '
grep "A U Thor" actual
'
+# Tests the splitting and merging of blame entries in blame_coalesce().
+# The output of blame is the same, regardless of whether blame_coalesce() runs
+# or not, so we'd likely only notice a problem if blame crashes or assigned
+# blame to the "splitting" commit ('SPLIT' below).
+test_expect_success 'blame coalesce' '
+ cat >giraffe <<-\EOF &&
+ ABC
+ DEF
+ EOF
+ git add giraffe &&
+ git commit -m "original file" &&
+ oid=$(git rev-parse HEAD) &&
+
+ cat >giraffe <<-\EOF &&
+ ABC
+ SPLIT
+ DEF
+ EOF
+ git add giraffe &&
+ git commit -m "interior SPLIT line" &&
+
+ cat >giraffe <<-\EOF &&
+ ABC
+ DEF
+ EOF
+ git add giraffe &&
+ git commit -m "same contents as original" &&
+
+ cat >expect <<-EOF &&
+ $oid 1) ABC
+ $oid 2) DEF
+ EOF
+ git -c core.abbrev=40 blame -s giraffe >actual &&
+ test_cmp expect actual
+'
+
test_done
--
2.22.0.410.gd8fdbe21b5-goog
